Build trust. “A new visitor shouldn’t have to give you their home address.” You would build a relationship and get to know a person n a bar before you ask them for their phone number right? Contact forms work the same way.
Website loading, load time, easy user experience, multiple formats for different size screens, accessibility, contrast, read aloud, (AKA ALEXA!!!)… the list goes on of things you need to look out for while re-designing, or even simply just DESIGNING your business website. And these are just the bare minimum.